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Editing: qcom,q6v5.txt

Qualcomm Hexagon Peripheral Image Loader

This document defines the binding for a component that loads and boots firmware
on the Qualcomm Hexagon core.

- compatible:
	Usage: required
	Value type: <string>
	Definition: must be one of:
		    "qcom,q6v5-pil",
		    "qcom,ipq8074-wcss-pil"
		    "qcom,msm8916-mss-pil",
		    "qcom,msm8974-mss-pil"
		    "qcom,msm8996-mss-pil"
		    "qcom,msm8998-mss-pil"
		    "qcom,sc7180-mss-pil"
		    "qcom,sdm845-mss-pil"

- reg:
	Usage: required
	Value type: <prop-encoded-array>
	Definition: must specify the base address and size of the qdsp6 and
		    rmb register blocks

- reg-names:
	Usage: required
	Value type: <stringlist>
	Definition: must be "q6dsp" and "rmb"

- interrupts-extended:
	Usage: required
	Value type: <prop-encoded-array>
	Definition: reference to the interrupts that match interrupt-names

- interrupt-names:
	Usage: required
	Value type: <stringlist>
	Definition: The interrupts needed depends on the the compatible
		    string:
	qcom,q6v5-pil:
	qcom,ipq8074-wcss-pil:
	qcom,msm8916-mss-pil:
	qcom,msm8974-mss-pil:
		    must be "wdog", "fatal", "ready", "handover", "stop-ack"
	qcom,msm8996-mss-pil:
	qcom,msm8998-mss-pil:
	qcom,sc7180-mss-pil:
	qcom,sdm845-mss-pil:
		    must be "wdog", "fatal", "ready", "handover", "stop-ack",
		    "shutdown-ack"

- firmware-name:
	Usage: optional
	Value type: <stringlist>
	Definition: must list the relative firmware image paths for mba and
		    modem. They are used for booting and authenticating the
		    Hexagon core.

- clocks:
	Usage: required
	Value type: <phandle>
	Definition: reference to the clocks that match clock-names

- clock-names:
	Usage: required
	Value type: <stringlist>
	Definition: The clocks needed depend on the compatible string:
	qcom,ipq8074-wcss-pil:
		    no clock names required
	qcom,q6v5-pil:
	qcom,msm8916-mss-pil:
	qcom,msm8974-mss-pil:
		    must be "iface", "bus", "mem", "xo"
	qcom,msm8996-mss-pil:
		    must be "iface", "bus", "mem", "xo", "gpll0_mss",
		    "snoc_axi", "mnoc_axi", "pnoc", "qdss"
	qcom,msm8998-mss-pil:
		    must be "iface", "bus", "mem", "xo", "gpll0_mss",
		    "snoc_axi", "mnoc_axi", "qdss"
	qcom,sc7180-mss-pil:
		    must be "iface", "bus", "xo", "snoc_axi", "mnoc_axi",
		    "nav"
	qcom,sdm845-mss-pil:
		    must be "iface", "bus", "mem", "xo", "gpll0_mss",
		    "snoc_axi", "mnoc_axi", "prng"

- resets:
	Usage: required
	Value type: <phandle>
	Definition: reference to the reset-controller for the modem sub-system
		    reference to the list of 3 reset-controllers for the
		    wcss sub-system
		    reference to the list of 2 reset-controllers for the modem
		    sub-system on SC7180, SDM845 SoCs

- reset-names:
	Usage: required
	Value type: <stringlist>
	Definition: must be "mss_restart" for the modem sub-system
		    must be "wcss_aon_reset", "wcss_reset", "wcss_q6_reset"
		    for the wcss sub-system
		    must be "mss_restart", "pdc_reset" for the modem
		    sub-system on SC7180, SDM845 SoCs

For devices where the mba and mpss sub-nodes are not specified, mba/mpss region
should be referenced as follows:
- memory-region:
	Usage: required
	Value type: <phandle>
	Definition: reference to the reserved-memory for the mba region followed
		    by the mpss region

For the compatible strings below the following supplies are required:
  "qcom,q6v5-pil"
  "qcom,msm8916-mss-pil",
- cx-supply:
- mx-supply:
- pll-supply:
	Usage: required
	Value type: <phandle>
	Definition: reference to the regulators to be held on behalf of the
		    booting of the Hexagon core

For the compatible string below the following supplies are required:
  "qcom,msm8974-mss-pil"
- cx-supply:
- mss-supply:
- mx-supply:
- pll-supply:
	Usage: required
	Value type: <phandle>
	Definition: reference to the regulators to be held on behalf of the
		    booting of the Hexagon core

For the compatible string below the following supplies are required:
  "qcom,msm8996-mss-pil"
- pll-supply:
	Usage: required
	Value type: <phandle>
	Definition: reference to the regulators to be held on behalf of the
		    booting of the Hexagon core

- power-domains:
	Usage: required
	Value type: <phandle>
	Definition: reference to power-domains that match power-domain-names

- power-domain-names:
	Usage: required
	Value type: <stringlist>
	Definition: The power-domains needed depend on the compatible string:
	qcom,q6v5-pil:
	qcom,ipq8074-wcss-pil:
	qcom,msm8916-mss-pil:
	qcom,msm8974-mss-pil:
		    no power-domain names required
	qcom,msm8996-mss-pil:
	qcom,msm8998-mss-pil:
		    must be "cx", "mx"
	qcom,sc7180-mss-pil:
	qcom,sdm845-mss-pil:
		    must be "cx", "mx", "mss", "load_state"

- qcom,smem-states:
	Usage: required
	Value type: <phandle>
	Definition: reference to the smem state for requesting the Hexagon to
		    shut down

- qcom,smem-state-names:
	Usage: required
	Value type: <stringlist>
	Definition: must be "stop"

- qcom,halt-regs:
	Usage: required
	Value type: <prop-encoded-array>
	Definition: a phandle reference to a syscon representing TCSR followed
		    by the three offsets within syscon for q6, modem and nc
		    halt registers.

For the compatible strings below the following phandle references are required:
  "qcom,sc7180-mss-pil"
- qcom,spare-regs:
	Usage: required
	Value type: <prop-encoded-array>
	Definition: a phandle reference to a syscon representing TCSR followed
		    by the offset within syscon for conn_box_spare0 register
		    used by the modem sub-system running on SC7180 SoC.

The Hexagon node must contain iommus property as described in ../iommu/iommu.txt
on platforms which do not have TrustZone.

= SUBNODES:
The Hexagon node must contain two subnodes, named "mba" and "mpss" representing
the memory regions used by the Hexagon firmware. Each sub-node must contain:

- memory-region:
	Usage: required
	Value type: <phandle>
	Definition: reference to the reserved-memory for the region

The Hexagon node may also have an subnode named either "smd-edge" or
"glink-edge" that describes the communication edge, channels and devices
related to the Hexagon.  See ../soc/qcom/qcom,smd.txt and
../soc/qcom/qcom,glink.txt for details on how to describe these.

= EXAMPLE
The following example describes the resources needed to boot control the
Hexagon, as it is found on MSM8974 boards.

modem-rproc@fc880000 {
		compatible = "qcom,q6v5-pil";
		reg = <0xfc880000 0x100>,
		      <0xfc820000 0x020>;
		reg-names = "qdsp6", "rmb";

interrupts-extended = <&intc 0 24 1>,
				      <&modem_smp2p_in 0 0>,
				      <&modem_smp2p_in 1 0>,
				      <&modem_smp2p_in 2 0>,
				      <&modem_smp2p_in 3 0>;
		interrupt-names = "wdog",
				  "fatal",
				  "ready",
				  "handover",
				  "stop-ack";

clocks = <&gcc GCC_MSS_Q6_BIMC_AXI_CLK>,
			 <&gcc GCC_MSS_CFG_AHB_CLK>,
			 <&gcc GCC_BOOT_ROM_AHB_CLK>;
		clock-names = "iface", "bus", "mem";

qcom,halt-regs = <&tcsr_mutex_block 0x1180 0x1200 0x1280>;

resets = <&gcc GCC_MSS_RESTART>;
		reset-names = "mss_restart";

cx-supply = <&pm8841_s2>;
		mss-supply = <&pm8841_s3>;
		mx-supply = <&pm8841_s1>;
		pll-supply = <&pm8941_l12>;

qcom,smem-states = <&modem_smp2p_out 0>;
		qcom,smem-state-names = "stop";

mba {
			memory-region = <&mba_region>;
		};

mpss {
			memory-region = <&mpss_region>;
		};
	};

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Editing: qcom,q6v5.txt

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